#28323A
Closest named color: Gunmetal (#293241). oklch(31.1% 0.02 242.5), rgb(40, 50, 58).
Aa
White text reads best on this color (13.06:1).
About this color
#28323A is a dark close to neutral grey. In OKLCH its lightness is 31%, its chroma 0.020. It has too little chroma to lean warm or cool. The nearest named color is Gunmetal (#293241), ΔE 0.013 away. White text reads best on it, at 13.06:1.
| Hue family | Neutrals |
| Lightness | dark (31%) |
| Chroma | close to neutral grey (0.020) |
| Temperature | neutral |
| Nearest name | Gunmetal (#293241) |
| Black text | 1.60:1 |
| White text | 13.06:1 |
Values
| HEX | #28323A |
| RGB | rgb(40, 50, 58) |
| HSL | hsl(207, 18%, 19%) |
| OKLCH | oklch(31.1% 0.02 242.5) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #28323A | 13.06:1 | AAA | Lc -102.6 | Preferred for body text |
| Black text on #28323A | 1.60:1 | Fails | Lc 0.0 | Not readable |
| #28323A text on white | 13.06:1 | AAA | Lc 99.3 | Preferred for body text |
| #28323A text on black | 1.60:1 | Fails | Lc 0.0 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 950.
-
Step 50
50
#F4F6F7
oklch(97.2% 0.003 228.8)
-
Step 100
100
#E6EAEE
oklch(93.5% 0.007 247.9)
-
Step 200
200
#D2DAE1
oklch(88.4% 0.013 244.3)
-
Step 300
300
#B4C3CF
oklch(80.9% 0.024 242)
-
Step 400
400
#8DA4B7
oklch(70.7% 0.038 243.2)
-
Step 500
500
#708DA5
oklch(63% 0.049 243.6)
-
Step 600
600
#587790
oklch(55.5% 0.053 243.2)
-
Step 700
700
#48647A
oklch(49% 0.048 242.6)
-
Step 800
800
#3B5263
oklch(42.7% 0.04 240.9)
-
Step 900
900
#334451
oklch(37.7% 0.031 241.6)
-
Step 950
950 (this color)
#28323A
oklch(31.1% 0.02 242.5)
#28323A with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #2F323A | 0.011 |
| Deuteranopia (no green cones) | #2C303A | 0.009 |
| Tritanopia (no blue cones) | #233435 | 0.015 |
| Achromatopsia (no color) | #313131 | 0.020 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #28323A
#28323A
oklch(31.1% 0.02 242.5)
- #382F26
#382F26
oklch(31.2% 0.02 67)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #28323A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Gunmetal #293241 ΔE 0.013
- Space Cadet #2B2D42 ΔE 0.026
- Onyx #343A40 ΔE 0.035
- Dark Blue Grey #1F3B4D ΔE 0.038
- Midnight Green #073B4C ΔE 0.044
- Oxford Blue #1B263B ΔE 0.049
- Jet #212529 ΔE 0.050
- Prussian Blue #1D3557 ΔE 0.052
Use #28323A in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.